(0 11 8 4 2)(1 19 17 15 3)(5 12 9)(6 14 7)(10 16 13)(18 21 20)
ALLOWS (11/8)-SEQUENCE
1: (0 2 4)

(0 2 11 8 4)(1 19 17 15 3)(5 12 9)(6 14 7)(10 16 13)(18 21 20)
2: (1 15 3)

(0 2 11 8 4)(1)(3)(5 12 9)(6 14 7)(10 16 13)(15 19 17)(18 21 20)
3: (0 2 11)

(0 8 4)(1)(2)(3)(5 12 9)(6 14 7)(10 16 13)(11)(15 19 17)(18 21 20)
4: (10 16 13)

(0 8 4)(1)(2)(3)(5 12 9)(6 14 7)(10)(11)(13)(15 19 17)(16)(18 21 20)